Home / 126,178,153.32-189,333,912.87-89,526,907.71

Finding the Fourth Proportional to 126,178,153.32, 189,333,912.87 and 89,526,907.71

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Solution

The fourth proportional to 126,178,153.32, 189,333,912.87 and 89,526,907.71 is: 134,337,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,153.32 : 189,333,912.87 = 89,526,907.71 : x
  2. Step 2: Convert to fraction form
    126,178,153.32/189,333,912.87 = 89,526,907.71/x
  3. Step 3: Cross multiply
    126,178,153.32x = 189,333,912.87 × 89,526,907.71
  4. Step 4: Simplify right side
    126,178,153.32x = 16,950,479,743,885,670
  5. Step 5: Solve for x
    x = 16,950,479,743,885,670/126,178,153.32
  6. Step 6: Final answer
    x = 134,337,674.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.